| Country of Origin | United States |
|---|
Check the listing for details. K&E Keuffel Esser Vintage Slide Ruler. Condition: Used, Made in United States. Listed at 100.00 USD. The K&E Keuffel Esser Vintage Merchants Slide Ruler model - 68 1775 is a collectible tool from the United States, known for its precision and quality in engineering and scientific applications. This slide ruler was commonly used in the mid-20th century and is a valuable piece for collectors or enthusiasts of vintage tools. Made by the renowned K&E company, this slide ruler offers a unique and functional addition to any collection of engineering or scientific memorabilia.
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